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Felici N, Alban A. Timing of surgery in peripheral nerve injury of the upper extremity. J Hand Surg Eur Vol 2024; 49:712-720. [PMID: 38641934 DOI: 10.1177/17531934241240867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/21/2024]
Abstract
Peripheral nerve injuries present a complex clinical challenge, requiring a nuanced approach in surgical management. The consequences of injury vary, with sometimes severe disability, and a risk of lifelong pain for the individual. For late management, the choice of surgical techniques available range from neurolysis and nerve grafting to tendon and nerve transfers. The choice of technique utilized demands an in-depth understanding of the anatomy, patient demographics and the time elapsed since injury for optimized outcomes. This paper focuses on injuries to the radial, median and ulnar nerves, outlining the authors' approach to these injuries.Level of evidence: IV.
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Affiliation(s)
- Nicola Felici
- Department of Limb Reconstructive Surgery & Plastic Surgery, San Camillo Forlanini Hospital, Rome, Italy
| | - Alice Alban
- Department of Limb Reconstructive Surgery & Plastic Surgery, San Camillo Forlanini Hospital, Rome, Italy
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Frostadottir D, Chemnitz A, Johansson OT LJ, Holst J, Dahlin LB. Evaluation of Processed Nerve Allograft in Peripheral Nerve Surgery: A Systematic Review and Critical Appraisal. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2023; 11:e5088. [PMID: 37383478 PMCID: PMC10299771 DOI: 10.1097/gox.0000000000005088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 05/05/2023] [Indexed: 06/30/2023]
Abstract
Peripheral nerve injuries cause substantial problems when not treated properly. A specific problem is reconstruction of nerve defects, which can be treated in different ways. This study aimed to systematically review whether processed nerve allograft (PNA) is justified in reconstruction of a nerve defect in patients after posttraumatic or iatrogenic peripheral nerve injury and to compare PNA with other established methods. Methods A systematic review with a focused question, PICO (patient, intervention, comparison, outcome) and constraints, was performed. A structured literature search, including several databases, was done to evaluate the existing evidence for outcomes and postoperative complications related to PNA. The certainty of evidence was classified according to Grading of Recommendations, Assessment, Development and Evaluations. Results No conclusions, concerning differences in outcome of nerve reconstruction using PNA compared with the use of nerve autograft or conduits, could be drawn. The level of certainty for all evaluated outcomes was very low (⊕◯◯◯). Most published studies lack a control group to patients treated with PNA; being only descriptive, making it difficult to compare PNA with established methods without substantial risk of bias. For studies including a control group, the scientific evidence was of very low certainty, due to a low number of included patients, and large, undefined loss of patients during follow-up, rendering a high risk of bias. Finally, the authors often had financial disclosures. Conclusion Properly conducted randomized controlled trial studies on the use of PNA in reconstruction of peripheral nerve injuries are needed to establish recommendations in clinical practice.
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Affiliation(s)
- Drifa Frostadottir
- From the Department of Hand Surgery, Skåne University Hospital, Malmö, Sweden
- Department of Translational Medicine—Hand Surgery, Lund University, Malmö, Sweden
| | - Anette Chemnitz
- From the Department of Hand Surgery, Skåne University Hospital, Malmö, Sweden
| | | | - Jan Holst
- Department of Vascular Disease, Skåne University Hospital, Malmö, Sweden
- Department of Research and Education, HTA syd, Skåne University Hospital, Lund, Sweden
| | - Lars B. Dahlin
- From the Department of Hand Surgery, Skåne University Hospital, Malmö, Sweden
- Department of Translational Medicine—Hand Surgery, Lund University, Malmö, Sweden
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
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Karpin H, Vatine JJ, Bachar Kirshenboim Y, Markezana A, Weissman-Fogel I. Central Sensitization and Psychological State Distinguishing Complex Regional Pain Syndrome from Other Chronic Limb Pain Conditions: A Cluster Analysis Model. Biomedicines 2022; 11:biomedicines11010089. [PMID: 36672597 PMCID: PMC9856064 DOI: 10.3390/biomedicines11010089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/23/2022] [Accepted: 12/23/2022] [Indexed: 01/01/2023] Open
Abstract
Complex regional pain syndrome (CRPS) taxonomy has been updated with reported subtypes and is defined as primary pain alongside other chronic limb pain (CLP) conditions. We aimed at identifying CRPS clinical phenotypes that distinguish CRPS from other CLP conditions. Cluster analysis was carried out to classify 61 chronic CRPS and 31 CLP patients based on evoked pain (intensity of hyperalgesia and dynamic allodynia, allodynia area, and after-sensation) and psychological (depression, kinesiophobia, mental distress, and depersonalization) measures. Pro-inflammatory cytokine IL-6 and TNF-α serum levels were measured. Three cluster groups were created: ‘CRPS’ (78.7% CRPS; 6.5% CLP); ‘CLP’ (64.5% CLP; 4.9% CRPS), and ‘Mixed’ (16.4% CRPS; 29% CLP). The groups differed in all measures, predominantly in allodynia and hyperalgesia (p < 0.001, η² > 0.58). ‘CRPS’ demonstrated higher psychological and evoked pain measures vs. ‘CLP’. ‘Mixed’ exhibited similarities to ‘CRPS’ in psychological profile and to ‘CLP’ in evoked pain measures. The serum level of TNF-αwas higher in the ‘CRPS’ vs. ‘CLP’ (p < 0.001) groups. In conclusion, pain hypersensitivity reflecting nociplastic pain mechanisms and psychological state measures created different clinical phenotypes of CRPS and possible CRPS subtypes, which distinguishes them from other CLP conditions, with the pro-inflammatory TNF-α cytokine as an additional potential biomarker.
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Affiliation(s)
- Hana Karpin
- Physical Therapy Department, Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa 3498838, Israel
- Reuth Rehabilitation Hospital, Tel Aviv 6772829, Israel
| | - Jean-Jacques Vatine
- Reuth Rehabilitation Hospital, Tel Aviv 6772829, Israel
- Physical Medicine and Rehabilitation Department, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Yishai Bachar Kirshenboim
- Reuth Rehabilitation Hospital, Tel Aviv 6772829, Israel
- Department of Occupational Therapy, School of Health Professions, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Aurelia Markezana
- Goldyne Savad Institute of Gene Therapy, Hadassah Hebrew University Medical Center, Jerusalem 91120, Israel
| | - Irit Weissman-Fogel
- Physical Therapy Department, Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa 3498838, Israel
- Correspondence:
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Melf-Marzi A, Böhringer B, Wiehle M, Hausteiner-Wiehle C. Modern Principles of Diagnosis and Treatment in Complex Regional Pain Syndrome. DEUTSCHES ARZTEBLATT INTERNATIONAL 2022; 119:879-886. [PMID: 36482756 PMCID: PMC10011717 DOI: 10.3238/arztebl.m2022.0358] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 04/21/2022] [Accepted: 10/17/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Background: Complex regional pain syndrome (CRPS) is a relatively common complication, occurring in 5% of cases after injury or surgery, particularly in the limbs. The incidence of CPRS is around 5-26/100 000. The latest revision of the International Statistical Classification of Diseases and Related Health Problems (ICD-11) now categorizes CRPS as a primary pain condition of multifactorial origin, rather than a disease of the skeletal system or the autonomic nervous system. METHODS Method: Based on a selective search of the literature, we summarize current principles for the diagnosis and treatment of CRPS. RESULTS Results: Regional findings in CRPS are accompanied by systemic symptoms, especially by neurocognitive disorders of body perception and of symptom processing. The therapeutic focus is shifting from predominantly passive peripheral measures to early active treatments acting both centrally and peripherally. The treatment is centered on physiotherapy and occupational therapy to improve sensory perception, strength, (fine) motor skills, and sensorimotor integration/ body perception. This is supported by stepped psychological interventions to reduce anxiety and avoidance behavior, medication to decrease inflammation and pain, passive physical measures for reduction of edema and of pain, and medical aids to improve functioning in daily life. Interventional procedures should be limited to exceptional cases and only be performed in specialized centers. Spinal cord and dorsal root ganglion stimulation, respectively, are the interventions with the best evidence. CONCLUSION Conclusion: The modern principles for the diagnosis and treatment of CRPS consider both, physiological and psychological mechanisms, with the primary goal of restoring function and participation. More research is needed to strengthen the evidence base in this field.
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Affiliation(s)
- Alexandra Melf-Marzi
- Department for BG Rehabilitation; Outpatient CRPS Clinic; BG Trauma Center Murnau; Department for Anesthesiology, Intensive Care Medicine and Pain Therapy; Multimodal Pain Therapy; BG Trauma Center Murnau; Department for Neurology, Clinical Neurophysiology and Stroke Unit; BG Trauma Center Murnau; Clinic and Polyclinic for Psychosomatic Medicine and Psychotherapy, Klinikum rechts der Isar, Technical University of Munich
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Johnson S, Cowell F, Gillespie S, Goebel A. Complex regional pain syndrome what is the outcome? - a systematic review of the course and impact of CRPS at 12 months from symptom onset and beyond. Eur J Pain 2022; 26:1203-1220. [PMID: 35435302 PMCID: PMC9324966 DOI: 10.1002/ejp.1953] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 03/28/2022] [Accepted: 04/03/2022] [Indexed: 11/21/2022]
Abstract
Background and Objective To improve CRPS treatment, it is imperative to understand the nature, degree and relative importance of ongoing problems associated with CRPS. The objective of this systematic review was to summarize the published data concerning measures of function and impact including occupational parameters, of CRPS at 12 months from symptom onset and beyond. Databases and Data Treatment MEDLINE, EmBase and PsychINFO were searched (inception to May 2021). Study cohorts were eligible if they included; adult patients with the primary complaint of CRPS ≥12 months duration, outcomes that reported change in CRPS signs and symptoms, and physical and social function. Prospero registration: CRD42021241785. Results Twenty‐two included studies suggest that pain and motor dysfunction are the most dominant long‐term features of CRPS, persisting for 51%–89% of patients at ≥12 months. On average for all patients who had CRPS at baseline, grip strength was found to be reduced by 25%–66%, and range of motion reduced by 20%–25% at ≥12 months. Such losses were associated with physical and social disability. Thirty to forty percent of all patients did not return to work and a further 27%–35% of persons returned to work but required some form of workplace adaptation, although the quality of this data was poor. Quality assessment highlighted limitations in the literature, such as high attrition bias and variations in diagnostic criteria. Conclusions Results provide first‐time quantitative data including specific evidence about losses to motor function and long‐term compromises to work status. Results demonstrate that the ongoing impact of one episode of CRPS on limb function and work status is relatively high. Significance This review provides first‐time clarity in relation to outcomes of limb function and work status associated with an episode of CRPS, beyond 12 months from onset. Results demonstrate that the long‐term impact of an episode of CRPS on these outcomes is much larger than previously described, and thus also illustrates how the wider health economic impact of CRPS is not yet fully understood. We additionally highlight the need for future research that identifies long‐term predictors, and treatments that can foster good functional and occupational recovery.
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Affiliation(s)
- Selina Johnson
- Walton Centre NHS Foundation Trust, Liverpool, UK.,Pain Research Institute, Faculty of health and life Sciences, University of Liverpool, Liverpool, UK
| | - Fiona Cowell
- Liverpool University Hospitals Foundation Trust (LUHFT), UK
| | | | - Andreas Goebel
- Walton Centre NHS Foundation Trust, Liverpool, UK.,Pain Research Institute, Faculty of health and life Sciences, University of Liverpool, Liverpool, UK
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Shraim MA, Massé-Alarie H, Hodges PW. Methods to discriminate between mechanism-based categories of pain experienced in the musculoskeletal system: a systematic review. Pain 2021; 162:1007-1037. [PMID: 33136983 DOI: 10.1097/j.pain.0000000000002113] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 10/05/2020] [Indexed: 12/18/2022]
Abstract
ABSTRACT Mechanism-based classification of pain has been advocated widely to aid tailoring of interventions for individuals experiencing persistent musculoskeletal pain. Three pain mechanism categories (PMCs) are defined by the International Association for the Study of Pain: nociceptive, neuropathic, and nociplastic pain. Discrimination between them remains challenging. This study aimed to build on a framework developed to converge the diverse literature of PMCs to systematically review methods purported to discriminate between them; synthesise and thematically analyse these methods to identify the convergence and divergence of opinion; and report validation, psychometric properties, and strengths/weaknesses of these methods. The search strategy identified articles discussing methods to discriminate between mechanism-based categories of pain experienced in the musculoskeletal system. Studies that assessed the validity of methods to discriminate between categories were assessed for quality. Extraction and thematic analysis were undertaken on 184 articles. Data synthesis identified 200 methods in 5 themes: clinical examination, quantitative sensory testing, imaging, diagnostic and laboratory testing, and pain-type questionnaires. Few methods have been validated for discrimination between PMCs. There was general convergence but some disagreement regarding findings that discriminate between PMCs. A combination of features and methods, rather than a single method, was generally recommended to discriminate between PMCs. Two major limitations were identified: an overlap of findings of methods between categories due to mixed presentations and many methods considered discrimination between 2 PMCs but not others. The results of this review provide a foundation to refine methods to differentiate mechanisms for musculoskeletal pain.
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Affiliation(s)
- Muath A Shraim
- The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury & Health, School of Health & Rehabilitation Sciences, QLD, Australia
| | - Hugo Massé-Alarie
- The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury & Health, School of Health & Rehabilitation Sciences, QLD, Australia
- Centre Interdisciplinaire de recherche en réadaptation et Integration sociale (CIRRIS), Université Laval, Québec, QC, Canada
| | - Paul W Hodges
- The University of Queensland, NHMRC Centre of Clinical Research Excellence in Spinal Pain, Injury & Health, School of Health & Rehabilitation Sciences, QLD, Australia
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